Cited by 110Alzheimer's disease research and treatmentsDementia and Cognitive Impairment ResearchMitochondrial Function and Pathology

Central and Peripheral Metabolic Defects Contribute to the Pathogenesis of Alzheimer's Disease: Targeting Mitochondria for Diagnosis and Prevention

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Peng, Yunhua, Gao, Peipei, Shi, Le, Chen, Lei, Liu, Jiankang, Long, Jiangang·2020·Antioxidants & Redox Signaling

Abstract

Significance: Epidemiological studies indicate that metabolic disorders are associated with an increased risk for Alzheimer's disease (AD). Metabolic remodeling occurs in the central nervous system (CNS) and periphery, even in the early stages of AD. Mitochondrial dysfunction has been widely accepted as a molecular mechanism underlying metabolic disorders. Therefore, focusing on early metabolic changes, especially from the perspective of mitochondria, could be of interest for early AD diagnosis and intervention. Recent Advances: We and others have identified that the levels of several metabolites are fluctuated in the periphery before their accumulation in the CNS, which plays an important role in the pathogenesis of AD. Mitochondrial remodeling is likely one of the earliest signs of AD, linking nutritional imbalance to cognitive deficits. Notably, by improving mitochondrial function, mitochondrial nutrients efficiently rescue cellular metabolic dysfunction in the CNS and periphery in individuals with AD. Critical Issues: Peripheral metabolic disorders should be intensively explored and evaluated for the early diagnosis of AD. The circulating metabolites derived from mitochondrial remodeling represent novel potential diagnostic biomarkers for AD that are more readily detected than CNS-oriented biomarkers. Moreover, mitochondrial nutrients provide a promising approach to preventing and delaying AD progression. Future Directions: Abnormal mitochondrial metabolism in the CNS and periphery is involved in AD pathogenesis. More clinical studies provide evidence for the suitability and reliability of circulating metabolites and cytokines for the early diagnosis of AD. Targeting mitochondria to rewire cellular metabolism is a promising approach to preventing AD and ameliorating AD-related metabolic disorders.

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  • Mitochondrial depolarization was observed in neurons subjected to oligomeric Aβ1-42 direct exposure.

    “mitochondrial depolarization was observed in neurons subjected to oligomeric Aβ1–42 direct exposure [63].”

    From Apoe4 and Alzheimer’s Disease Pathogenesis—Mitochondrial Deregulation and Targeted Therapeutic Strategies (2023) · cites this paper as [63]

    The “Ab and mitochondria” section says Aβ can decrease mitochondrial membrane potential, supporting the depolarization mechanism. It does not specify an observation in neurons directly exposed to oligomeric Aβ1–42; the separate report of reduced membrane potential concerns transgenic APP mouse brains, not that exposure condition. Page numbers are unavailable in our copy. (LLM, conf=0.84)

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  • Neuropathological features due to Aβ accumulation are related with decrease in respiratory capacity and ATP production, and changes in mitochondrial morphology.

    “neuropathological features due to Aβ accumulation have also been related with a decrease in respiratory capacity and ATP production, and changes in mitochondrial morphology [63]”

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Research works printed but not linked: 2

  1. Canevelli M, Piscopo P, Talarico G, Vanacore N, Blasimme A, Crestini A, Tosto G, Troili F, Lenzi GL, and Confaloni A. Familial Alzheimer's disease sustained by presenilin 2 mutations: systematic review of literature and genotype-phenotype correlation. Neurosci Biobehav Rev 42: 170-179, 2014.
  2. Corder EH, Saunders AM, Strittmatter WJ, Schmechel DE, Gaskell PC, Small GW, Roses AD, Haines JL, and Pericak-Vance MA. Gene dose of apolipoprotein E type 4 allele and the risk of Alzheimer's disease in late onset families. Science 261: 921-923, 1993.

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Authors
Peng, Y., Gao, P., Shi, L., Chen, L., Liu, J., & Long, J.
Affiliations
Xi'an Jiaotong University (CN)
Corresponding author
  • Liu, Jiankang
  • Long, Jiangang
Venue
Antioxidants & Redox Signaling
Published
2020-04-28
Volume
32
Issue
16
Pages
1188-1236
ISSN
  • 1523-0864 (ISSN-L)
  • 1557-7716
OpenAlex
W3006102624
Cited by
110
References
60
Citations by year
2026: 11 · 2025: 20 · 2024: 22 · 2023: 21 · 2022: 17 · 2021: 11 · 2020: 8
FWCI
1.81
Type
journal article
Language
en
Open access
Locations
  • Antioxidants and Redox Signaling (publishedVersion, cc-by)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Natural Science Foundation of China (31870848, 31570777, 2015CB856302, 31770917, 81802787, 81741110)
  • China Postdoctoral Science Foundation (2018M643673)
  • National Key Research and Development Program of China (2015CB856302, 31770917, 2015CB553602)
Topics
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
  • Health Sciences › Medicine › Psychiatry and Mental health › Dementia and Cognitive Impairment Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Mitochondrial Function and Pathology
Keywords
Alzheimer's disease, mitochondrial dysfunction, circulating metabolites, diagnostic biomarkers, early diagnosis, mitochondrial remodeling, metabolic reprogramming, neuroinflammation, cytokines
MeSH terms
Alzheimer Disease, Animals, Humans, Mitochondria, Peripheral Nervous System Diseases

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